Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5134627 | Batch charger for glass furnace | — | 1992-07-28 |
| 5123942 | System for charging batch/cullet in a glass furnace | Ronald D. Argent | 1992-06-23 |
| 4197109 | Doghouse and feeder enclosure for glass furnace | John E. Frazier | 1980-04-08 |